Design for a tab portion of a shingle



FIG. 1 is a front elevational view of a tab portion of a shingle showingour new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front elevational view of a second embodiment of a tabportion of a shingle showing our new design;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front elevational view of a third embodiment of a tabportion of a shingle showing our new design;

FIG. 7 is a bottom view thereof;

FIG. 8 is a front elevational view of a fourth embodiment of a tabportion of a shingle showing our new design;

FIG. 9 is a bottom view thereof;

FIG. 10 is a front elevtional view of a fifth embodiment of a tabportion of a shingle showing our new design;

FIG. 11 is a bottom view thereof;

FIG. 12 is a front elevational view of a sixth embodiment of a tabportion of a shingle showing our new design;

FIG. 13 is a bottom view thereof;

FIG. 14 is a front elevational view of a seventh embodiment of a tabportion of a shingle showing our new design;

FIG. 15 is a right side elevational view thereof;

FIG. 16 is a bottom view thereof;

FIG. 17 is a front elevational view of an eighth embodiment of a tabportion of a shingle showing our new design;

FIG. 18 is a bottom view thereof;

FIG. 19 is a front elevational view of a ninth embodiment of a tabportion of a shingle showing our new design;

FIG. 20 is a bottom view thereof;

FIG. 21 is a front elevational view of a tenth embodiment of a tabportion of a shingle showing our new design;

FIG. 22 is a bottom view thereof;

FIG. 23 is a front elevational view of an eleventh embodiment of a tabportion of a shingle showing our new design;

FIG. 24 is a bottom view thereof;

FIG. 25 is a front elevational view of a twelfth embodiment of a tabportion of a shingle showing our new design; and,

FIG. 26 is a bottom view thereof.

The broken lines showing the head lap segments of each embodiment arefor illustrative purposes only and form no part of the claimed design.The rear view of the tab portion of the shingle, in each embodiment, isplain and unornamented.

The ornamental design for a tab portion of a shingle, as shown anddescribed.